<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<script>
    // 传统对象中，属性名（键名）必须是字符串类型
    var rn = {
        school:'后盾人',
        teacher:'孙老师',
        students:'同学',
        look:function(){
            console.log('直播');
        }
    }

    // console.log(rn.123);

</script>




</body>
</html>